CVE-2026-120952: An out-of-bounds write in the MongoDB Atlas SQL ODBC Driver may be triggered when a value of a particular data

Routine

HIGH 7.1UPGRADE

CVE-2026-120952 is a high-severity flaw (CVSS 7.1) affecting atlas sql odbc driver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An out-of-bounds write in the MongoDB Atlas SQL ODBC Driver may be triggered when a value of a particular database type is retrieved into a fixed-width client-side target. The driver produces a textual form of the value that is longer than the fixed target the ODBC interface defines, and copies it without limiting the copy to the target's real size. A database user with basic write privileges can influence part of the data written outside the tar

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-787
Published	2026-11-03
Last modified	2026-11-03

Publisher (CNA): mongodb · Vendor: mongodb · Source: CVE Program record (NVD analysis pending)

Last updated 2026-11-03 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-11-03 20:16 UTCPublished CVE record published
2026-11-03 20:16 UTCUpdated Record last modified

mongodb atlas sql odbc driver UPGRADE

Affected: >= 0.0.1 and < 3.0.1

Fixed in: 3.0.1

Safe to downgrade to: a release before 0.0.1

1. Check installed version

apt-cache policy atlas-sql-odbc-driver || rpm -q atlas-sql-odbc-driver || atlas-sql-odbc-driver --version

2. UPGRADE to 3.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade atlas-sql-odbc-driver

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade atlas-sql-odbc-driver

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 0.0.1 (Debian / Ubuntu)

apt-cache madison atlas-sql-odbc-driver sudo apt install atlas-sql-odbc-driver=<VERSION_BEFORE_0.0.1> sudo apt-mark hold atlas-sql-odbc-driver

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list atlas-sql-odbc-driver sudo dnf downgrade atlas-sql-odbc-driver-<VERSION_BEFORE_0.0.1> sudo dnf versionlock add atlas-sql-odbc-driver

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Advisories and coverage

Research and news

VulDB Recent Entries: CVE-2026-120952 | MongoDB Atlas SQL ODBC Driver up to 3.0.0 out-of-bounds write 2026-11-03

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-120952?

atlas sql odbc driver: upgrade to 3.0.1. Exact commands for each OS are on this page.

Is CVE-2026-120952 being exploited?

CVE-2026-120952 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-120952 affect?

CVE-2026-120952 affects atlas sql odbc driver. Severity is high (CVSS 7.1). An out-of-bounds write in the MongoDB Atlas SQL ODBC Driver may be triggered when a value of a particular database type is retrieved into a fixed-width client-side target. The driver produces a textual form of the value that is longer than

How urgent is CVE-2026-120952?

Priority 25/100. High severity

Software pages

MongoDB vulnerabilities

References

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